Gonorrhea cases in Clay County run about 28% higher than the national average. Whether you need a one-time check-up or regular tests in Carbon, Indiana, your time and convenience matter. Some local clinics allow walk-ins for same-day testing, while labs and at-home kits fit your schedule.
Available testing centers
7 testing options are listed for Carbon, IN. The nearest, Union Health, is about 5.2 miles away. Compare community and public clinics, private labs, and at-home kits below.
Listings tagged Community health center are federally funded health centers and rural clinics that treat everyone regardless of insurance or ability to pay: required to bill on a sliding fee scale and provide confidential care, and in many states minors may consent to their own STI testing. A Title X tag flags centers funded for confidential family-planning services; confirm current participation when you call.
Source: CMS FQHC & Rural Health Clinic enrollment files (data.cms.gov), refreshed quarterly. Title X status reflects the latest OPA grantee list.
Union Health in Brazil schedules appointments for STI care, and a single visit can cover syphilis, gonorrhea, chlamydia, and HIV testing. Certified as a Rural Health Clinic, it ties fees to income through a sliding scale, making that full visit range available to patients across income levels.
Languages
English
Tests offered
Care services
Fees & payment
Listing verified Apr 2026 · Source: CDC NPIN
Valley Professionals Community Health Center in Rockville runs STI testing through its community health infrastructure, pairing gonorrhea and chlamydia diagnoses with same-visit treatment and covering the full panel on a sliding-scale fee accepted alongside Medicaid, Medicare, and private insurance. No appointment needed.
Leaving herpes or hepatitis C undetected means carrying an infection through every future encounter without knowing it, and then scrambling to find a separate facility that tests for both. Valley Professionals Community Health Center builds herpes and hepatitis C into the same visit, so there's no second appointment to track down.
Languages
English
Tests offered
Care services
Prevention services
Fees & payment
Listing verified Jan 2026 · Source: CDC NPIN
Grace Clinic - Putnam County, in Greencastle, welcomes walk-ins for STI screening without an appointment. Federal qualification anchors its sliding-scale fee structure, making costs income-based for anyone. A single visit can cover syphilis, gonorrhea, and chlamydia testing, with fees adjusted to fit what patients actually earn.
Tests offered
Fees & payment
Free tool · not a clinic
Testing too soon can miss an infection. Enter the date of possible exposure to see the earliest a test can reliably detect each STI.
| Infection | Earliest reliable test | Conclusive after |
|---|---|---|
| Chlamydia | 7 days after exposure | 14 days after exposure |
| Gonorrhea | 7 days after exposure | 14 days after exposure |
| Trichomoniasis | 7 days after exposure | 28 days after exposure |
| HIV (NAT / RNA) | 10 days after exposure | 33 days after exposure |
| HIV (4th-gen Ag/Ab) | 18 days after exposure | 45 days after exposure |
| HIV (antibody) | 21 days after exposure | 84 days after exposure |
| Syphilis | 21 days after exposure | 42 days after exposure |
| Hepatitis B | 21 days after exposure | 42 days after exposure |
| Hepatitis C | 56 days after exposure | 77 days after exposure |
| Herpes (HSV) | 28 days after exposure | 112 days after exposure |
Guidance only, confirm timing with a clinician. A negative result before the conclusive date may need a repeat test.
Typical out-of-pocket ranges by option, actual cost depends on which tests you need.
Public / community clinic
Free HIV testing is common
Private lab (self-pay)
Never billed to insurance
At-home kit
Mailed to your door, private
Doctor / urgent care
Often $0 preventive with insurance
No centers match those filters. Clear the service-type filter or the opening-hours filters to see every center.
Every other option
Beyond the dedicated testing centers above: at-home kits by mail, hospital labs certified for STI testing, local clinicians who can order a panel during a regular visit, pharmacies for self-test kits and prescriptions, and online PrEP & treatment.
Test from home
The nearest testing center is about 5 miles away; if you'd rather skip the trip, an at-home kit ships to Carbon, you collect the sample privately, and mail it back to a CLIA-certified lab. Results come online in days, with a clinician available if anything is positive. Same labs as a clinic, no waiting room, and you can read how accurate at-home STD tests are before you order.
Want a free option first? The CDC-supported TakeMeHome (opens in a new tab) program mails free at-home HIV self-test kits, and, in many areas, free STI kits, to your door, with no insurance or payment needed. The paid kits below add broader panels and faster turnaround.
In-home collection
$79 & up
Best range: couples & full panels
$79 & up
Best for simplicity & support
$89 & up
Every kit uses CLIA-certified labs. At-home testing is for screening; a reactive result should be confirmed and treated by a clinician. Prices and panels shown are illustrative and change often, confirm current details on the provider's site.
Also in the area
Beyond the public testing sites above, these federally certified (CLIA) labs serve Clay County, each lab's town is shown on its card below. Many test through a doctor's order or by appointment rather than walk-in, so call ahead to confirm STD/STI testing and availability before visiting.
1206 East National Avenue, Brazil, IN 47834
CMS-certified lab Accredited · College of American Pathologists
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Carbon. A CLIA certificate records only that a laboratory is federally certified — it does not confirm the site performs STD testing, nor its hours, price or access. Inclusion is not an endorsement; always call to verify.
Local clinicians
Beyond dedicated clinics, 113 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Carbon. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 8 offer telehealth.
David Fryman, MD
Family medicine · 1206 East National Avenue, Brazil
Camillo Mendoza, MD
Internal medicine · 1011 East National Avenue, Brazil
Laura Cline
Family medicine · 9325 North Crawford Street, Knightsville
Paul Houston, MD
Family medicine · 1216 East National Avenue, Brazil
John Swaim, MD
Family medicine · 503 Anderson Street, Rockville
Warren Macy, MD
Family medicine · 1542 South Bloomington Street, Greencastle
These are registry-listed clinicians, not dedicated STD-testing clinics. CMS records do not independently verify current licensure, testing services, availability, price, or new-patient status. Confirm each detail before booking. Source: CMS Doctors & Clinicians.
Nearby pharmacies
No pharmacy near Carbon, IN publishes an STD-related service or holds a current CLIA testing certificate, so these are simply the closest. Contact a location directly to confirm counter hours, services, prices, and availability before visiting.
4.8 mi 
5.1 mi 
5.2 mi Hook-Superx
5.3 mi
5.3 mi Showing the 5 closest pharmacies to Carbon, IN.
Directory records identify nearby pharmacies. Service, stock, price, and hours information is shown only when supported by current location-specific evidence.
Prevention & treatment
Testing is one step. For residents of Carbon, telehealth covers the rest: HIV-prevention medication (PrEP) and DoxyPEP to lower future risk, and discreet online treatment if a result comes back positive. All prescribed by licensed U.S. clinicians.
From $0 insured
Telehealth PrEP & DoxyPEP with at-home testing and ongoing monitoring
$0 with most insurance
Free online PrEP & DoxyPEP: HIV prevention, home lab kits, no in-person visit
Visit from $39
Online STI treatment & DoxyPEP: same-day prescriptions to your pharmacy
Visit from $0 insured
Telehealth STI treatment and sexual-health care, delivered or to your pharmacy
Pricing varies by insurance and changes often, confirm on the provider's site. These services are not a substitute for emergency care.
STD stats & rates
How reported STI rates in Clay County, the county that includes Carbon, compare with Indiana and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~34% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.
#18 of 92 Indiana counties for chlamydia, a higher rate than 80% of the state
| Infection | Clay County | Indiana | United States |
|---|---|---|---|
| Chlamydia | 400.6 106 cases ▼ 18% | 491 | 492.2 |
| Gonorrhea | 230.5 61 cases ▲ 60% | 144 | 179.5 |
| Syphilis (P&S) | 7.6 2 cases ▼ 13% | 8.7 | 15.8 |
| Syphilis (early) | — no data | 9.5 | 16 |
| Syphilis (late/unknown) | 3.8 1 cases ▼ 75% | 15.2 | 29.5 |
Rates per 100,000 population, 2023. Source: CDC NCHHSTP AtlasPlus (county, state & U.S., all-ages basis). Population figures: U.S. Census Bureau ACS. These figures are the latest available surveillance estimates. Bars are scaled to the highest rate shown.
Reading these numbers: reported case rates only count infections that were actually tested for and diagnosed, so they track local screening effort as much as true spread: a higher rate can reflect more testing, a lower one less. Either way, most STIs cause no symptoms, so treat the figures above as context rather than a verdict, and test on the CDC's schedule regardless of how your area looks.
Between 2020 and 2023 in Clay County, chlamydia has risen from 377.8 to 400.6 per 100,000 (6%), gonorrhea has risen from 83.1 to 230.5 per 100,000 (177%), and P&S syphilis has risen from 3.8 to 7.6 per 100,000 (100%).
The 2020 dip reflects reduced pandemic-era screening, not lower transmission. Source: CDC NCHHSTP AtlasPlus (county, state & U.S., all-ages basis).
Community health context
Sources: CDC PLACES (ZIP), County Health Rankings, CDC/ATSDR SVI, HRSA HPSA, HRSA MUA/P, Neighborhood Atlas ADI. Lower insurance coverage, fewer routine checkups, and a thin primary-care ratio all raise the value of low-cost public clinics and at-home testing in Clay County.
Local HIV snapshot
Clay County HIV care continuum (2023)
Clay County recorded 0 new HIV diagnoses per 100,000 (2023), against 11.7 statewide and 13.7 nationally. Among Clay County residents living with HIV, 68.4% are in care · 63.2% are virally suppressed. Early, routine testing is what moves these numbers: it is the entry point to PrEP, treatment, and viral suppression.
Sources: AIDSVu (Emory/Gilead) · CDC AHEAD · CDC AtlasPlus · CDC NCHHSTP AtlasPlus (county care continuum). The CDC recommends everyone aged 13–64 test for HIV at least once: every lab and clinic listed above offers HIV testing, and free rapid HIV testing is available at a local health department.
Congenital syphilis, passed from parent to baby in pregnancy, is the fastest-rising STI in the country. U.S. cases climbed from 2,163 in 2020 to 3,882 in 2023. It is almost entirely preventable: the CDC recommends a syphilis test at the first prenatal visit, and every clinic and lab listed for Clay County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Local resources & officials
Data & references
Local context
Carbon's name carries the industrial roots of Clay County, a reminder of the mining heritage that once shaped the region. Today, the town itself is quieter, but that history of hard work and self-reliance still marks the character of its residents. For young adults moving through their late teens and twenties and into their thirties, a significant presence in Carbon, STI testing is practical health care, neither rare nor remarkable, and the clinics and providers listed on this page understand that straightforward approach. Testing venues in and around Carbon operate with the kind of discretion that matters when you're managing your own health decisions.
Whether you're between jobs, settling into a new chapter, or simply staying on top of routine screening, confidentiality here isn't theater. It's how these services actually work. Results remain yours alone, and the process itself is brief and clear. The landscape near Harmony Park and Babe Wheeler Park reflects a town where people tend to their own business.
That same respect extends to health care. If you're looking for testing without fanfare or judgment, the facilities available in and around Carbon are built for exactly that.
Getting there
At 4/20 on the EPA walkability index, day-to-day errands in Carbon generally mean driving: plan on a car or rideshare to reach a clinic, and check each listing's hours and phone before you go.
Source: EPA National Walkability Index 2021.
ZIP 47837 snapshot
ZIP-level Census figures for the wider 47837 area around Carbon: a single ZIP can span several communities, so they describe the area, not Carbon alone.
Carbon sits in Clay County, ZIP 47837. Local context that shapes where residents test:
Local landmarks
Nearby cities & towns
Just outside Carbon? These nearby communities have their own testing guides: clinics, at-home kits, and free screening close to home.
Reference
Everything to know before you test in Clay County: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under Indiana law. If you have symptoms right now, our confidential symptom checker maps them to the tests worth considering.
Based on current CDC screening recommendations.
| Group | Tests | How often |
|---|---|---|
| Everyone aged 13–64 | HIV | At least once |
| Sexually active women under 25 | Chlamydia, gonorrhea | Every year |
| Women 25+ with new or multiple partners | Chlamydia, gonorrhea | Every year |
| Pregnant people | HIV, syphilis, hepatitis B & C, chlamydia | Early in pregnancy |
| Gay & bisexual men (MSM) | Chlamydia, gonorrhea, syphilis, HIV | Every 3–6 months |
| Anyone who shares injection equipment | HIV, hepatitis B & C | At least yearly |
| All adults at least once | Hepatitis C | At least once |
Testing too early can return a false negative, confirm timing with a Carbon-area provider.
| Infection | Earliest reliable test | Sample |
|---|---|---|
| Chlamydia | 1–2 weeks | Urine or swab |
| Gonorrhea | 1–2 weeks | Urine or swab |
| Trichomoniasis | 1–4 weeks | Urine or swab |
| HIV (NAT / RNA) | 10–33 days | Blood |
| HIV (4th-gen Ag/Ab) | 18–45 days | Blood |
| HIV (antibody) | 3–12 weeks | Blood / oral |
| Syphilis | 3–6 weeks | Blood |
| Hepatitis B | 3–6 weeks | Blood |
| Hepatitis C | 8–11 weeks | Blood |
| Herpes (HSV) | 4–16 weeks (antibody); swab a sore | Blood / swab |
These are the federal Medicare reference prices for processing each lab test. Public clinics and the community health centers serving Carbon often test free or on a sliding scale; private labs and at-home kits bundle several tests into one fee. Use this as a per-test benchmark before you pay out of pocket, or see the full guide to STD test costs for insurance, free, and at-home options.
| Test | Reference price | CPT / HCPCS |
|---|---|---|
| Chlamydia (NAAT) | $47.80 | 87491 |
| Gonorrhea (NAAT) | $47.80 | 87591 |
| Trichomoniasis (NAAT) | $47.76 | 87661 |
| HIV-1/2 antigen/antibody | $26.87 | 87389 |
| HIV-1/2 antibody | $22.44 | 86703 |
| Syphilis (RPR/VDRL) | $5.61 | 86592 |
| Syphilis (treponemal antibody) | $17.49 | 86780 |
| Herpes (HSV NAAT) | $47.76 | 87529 |
| Hepatitis B surface antigen | $15.33 | 87340 |
| Hepatitis C antibody | $29.16 | 86803 |
Source: Medicare Clinical Laboratory Fee Schedule, CMS, 2025 rates (data.cms.gov). Reference rate for the lab assay only: a clinic visit, sample collection, or a bundled multi-test panel may cost more. Medicaid and most insurers cover STD screening at no out-of-pocket cost.
Two things that actually depend on Indiana law: who can consent, and whether partners can be treated without their own visit. Everything else about testing privately is the same nationwide (see below).
In Indiana, a minor of any age can consent to confidential STI testing and treatment on their own, no parental permission is required.
Indiana permits Expedited Partner Therapy (EPT): if you test positive for chlamydia or gonorrhea, your provider can give you medication (or a prescription) to pass to your partner, no separate exam or appointment needed for them.
Keeping a test private works the same in every state. Whether an STD test shows on insurance (the EOB), how to test anonymously, and self-pay options that leave no insurance trail don’t change by location.
Learn more about confidential STD testing in IndianaSource: Guttmacher Institute, Minors' Access to STI Services; CDC, Legal Status of Expedited Partner Therapy. General information, not legal advice.
Good to Know
Answers to the questions people ask most before getting tested.
Yes, several local labs offer same-day walk-in testing; best to call first.
Yes, Medicaid typically covers it.
Public clinics serve people without insurance, often on a sliding scale.
A full panel typically covers chlamydia, gonorrhea, syphilis, HIV, and hepatitis B and C.
Clay County reported ~401 chlamydia cases per 100,000 in 2023, below the Indiana average.
In Indiana, people under 18 can consent to confidential STD testing and treatment on their own.
Most results are ready in about 1–2 days.
Pregnancy screening is standard; ask about an early-pregnancy STI panel.
Clinics give immediate care and treatment; home kits win on convenience and discretion. Either works.
Little prep is needed, bring an ID and insurance if you have it, and note your exposure dates and any symptoms; for a urine test, avoid peeing for about an hour beforehand.
Have a different question? Browse the full STD & STI FAQ library, every question we answer, in one place.